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Salary and Dividends

How to Structure a Salary Sacrifice Pension Scheme Through Your Agency

9 min read ·

Photo: Markus Winkler / Pexels

JW

Editorial Lead · Published 16 May 2026

Editorial content from the Agency Founder Finance team. For decisions specific to your agency, book a call.

TL;DR

Salary sacrifice lets you swap part of your salary for a pension contribution from your agency. It cuts your income tax, your employee NI, and your agency's employer NI. Here is exactly how to set it up, what the rules are, and why most agency directors leave money on the table by not doing it.

What Is Salary Sacrifice and Why Should an Agency Director Care?

Salary sacrifice is an agreement between you and your limited company. You give up part of your gross salary. In return, your company pays that amount directly into your pension.

The result? You pay less income tax and less National Insurance. Your company saves on employer NI too. And your pension gets the full gross amount, not the net amount you would receive after tax.

For a salary sacrifice pension agency director, this is one of the most straightforward ways to reduce your tax bill while building retirement savings. The savings apply to both you and your company.

Here is the core arithmetic. If you are a higher-rate taxpayer and your agency pays you a £10,000 bonus, you receive roughly £5,700 after tax and NI. If that same £10,000 goes into your pension via salary sacrifice, the full £10,000 lands in your pension. Your agency also saves £1,500 in employer NI. That is £1,500 that stays in the business.

Most agency directors we meet at Agency Founder Finance are already taking a small salary and drawing dividends. Salary sacrifice fits neatly alongside that structure.

How Salary Sacrifice Works Inside a Limited Company Agency

Salary sacrifice requires a formal variation to your employment contract. You cannot just decide to pay yourself less one month and call it a pension contribution. HMRC expects documentation.

The process looks like this:

  • You agree a reduced salary with your company. For example, you drop from £50,000 to £40,000.
  • The £10,000 difference goes into your pension as an employer contribution.
  • Your company processes the contribution through its payroll software, Xero, QuickBooks, FreeAgent, or whatever you use.
  • The contribution is reported on your P60 and P11D where relevant.
  • Your company claims the full amount as a deductible business expense, reducing its corporation tax.

The key point: the pension contribution is an employer contribution, not a personal one. That means it bypasses your personal tax return entirely. You do not report it on your SA100. It never touches your bank account.

For a salary sacrifice pension agency director, this clean separation between personal income and company expenditure is the main advantage.

What Happens to Your Salary Minimum?

You cannot salary sacrifice below the National Minimum Wage. For directors, this rule still applies if you are an employee of your own company. In practice, most agency directors keep their salary at £12,570 (the primary NI threshold) and take the rest as dividends. Salary sacrifice below that level is not possible because you would fall below minimum wage.

If your salary is already £12,570, you have no room to sacrifice further salary. But you can still use salary sacrifice on bonuses, overtime, or commission payments. Many agency directors pay themselves a bonus in March and sacrifice it into the pension before the year end.

That approach lets you keep your regular salary at the NI threshold while still capturing the tax and NI savings on additional income.

The Real Numbers: What an Agency Director Saves

Let us run a worked example for a 12-person digital agency billing £800,000 per year. The director pays themselves a salary of £12,570 and dividends of £60,000. They want to put an extra £20,000 into their pension.

Option 1: Personal contribution from net income

The director takes the £20,000 as additional dividend income. After higher-rate dividend tax at 35.75%, they receive £13,250. They pay £6,750 in tax. They then contribute £13,250 to their pension. HMRC adds basic rate tax relief at source, so £16,562 lands in the pension. Total tax cost to the director: £6,750. No saving for the company.

Option 2: Salary sacrifice via bonus

The company pays the director a £20,000 bonus. The director sacrifices it into the pension. The company saves £3,000 in employer NI (15% of £20,000). The director pays no income tax or NI on the £20,000. The full £20,000 goes into the pension. The company also saves corporation tax on the bonus plus the employer NI, roughly £5,750 at 25%.

The difference is stark. Option 2 puts £3,438 more into the pension and saves the company £3,000 in employer NI plus £5,750 in corporation tax. That is a combined saving of £8,750 versus Option 1.

For a salary sacrifice pension agency director, those numbers are hard to ignore.

Employer NI Savings: The Forgotten Benefit

Most directors focus on their own tax savings. They forget about the employer NI saving. But that saving stays in your company. It is additional profit.

Employer NI is 15% on earnings above the secondary threshold (£5,000 for 2025/26). If you sacrifice £20,000 of salary, your company saves £3,000. If you sacrifice £50,000, the saving is £7,500.

Over five years, that adds up. A director sacrificing £20,000 per year saves their agency £15,000 in employer NI alone. That money can fund a new hire, cover software subscriptions, or simply improve the agency's gross margin.

Our team at Agency Founder Finance regularly sees agency directors who have been paying bonuses for years without considering salary sacrifice. The employer NI they have paid is substantial.

Annual Allowance and Tapering: The Trap to Avoid

The annual allowance for pension contributions is £60,000 for 2025/26. That includes all contributions, yours, your employer's, and any tax relief added. If you exceed it, you pay a tax charge at your marginal rate.

For higher-earning agency directors, the tapered annual allowance can reduce this to as little as £10,000. The taper applies when your adjusted income (net income plus employer pension contributions) exceeds £260,000. For every £2 over £260,000, your annual allowance drops by £1, down to a minimum of £10,000.

If your agency is profitable and you are drawing significant income, check your adjusted income before making a large sacrifice. The tax charge on excess contributions can wipe out the savings.

There is also the money purchase annual allowance. If you have already flexibly accessed a defined contribution pension (taken taxable income from it), your annual allowance drops to £10,000. That rule catches many directors who dip into their pension early.

Carry Forward: Using Unused Allowance from Previous Years

If you have not used your full annual allowance in the last three tax years, you can carry it forward. This is useful for agency directors who want to make a large one-off contribution, perhaps before an exit or a profit spike.

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To use carry forward, you must have been a member of a registered pension scheme in each year you want to carry forward from. Membership is easy to establish, opening a personal pension and contributing £1 is enough.

The calculation is straightforward. Your available allowance for the current year is £60,000, plus any unused allowance from the previous three tax years, in order from oldest to newest. You cannot carry forward more than £60,000 from any single year.

For a director of a digital agency who has taken modest drawings for years, carry forward can access a significant pension contribution in a single year.

Setting Up Salary Sacrifice in Your Agency

You need three things in place before you start:

1. A pension scheme that accepts employer contributions. Most workplace pensions do. Personal pensions like those from AJ Bell, Hargreaves Lansdown, or Vanguard also accept them. Check before proceeding.

2. A variation to your employment contract. This does not need to be complicated. A short letter or email exchange confirming the change is sufficient. It should state the new salary, the amount being sacrificed, and the pension it goes into. Keep it on file.

3. Payroll software that handles salary sacrifice. Xero, QuickBooks, and FreeAgent all support it. You set up a pension deduction type, mark it as a salary sacrifice, and the software calculates the NI savings automatically.

Once these are in place, the process runs monthly. Your agency pays the pension contribution alongside the payroll run. The contribution is reported to HMRC through RTI (Real Time Information) on the FPS (Full Payment Submission).

What About Pension Schemes for Staff?

If you offer salary sacrifice to employees, you must offer it to all of them on the same terms. You cannot cherry-pick who gets it. However, you can set minimum conditions, for example, the sacrifice cannot reduce the employee below minimum wage, and the scheme is only available after a qualifying period.

Many agencies offer salary sacrifice as a benefit alongside the auto-enrolment pension. It reduces the agency's employer NI bill across the whole team. For a 12-person agency with an average salary of £35,000, the employer NI saving from a 5% salary sacrifice across the board is roughly £2,900 per year.

That is real money. And it does not cost the employees anything in take-home pay if they were already contributing 5% to the pension.

Salary Sacrifice vs Personal Contributions: Which Is Better?

For most agency directors, salary sacrifice wins. But there are edge cases where personal contributions make sense.

Salary sacrifice is better when:

  • You want to maximise the amount going into your pension.
  • Your company has profits to absorb the employer NI saving.
  • You are a higher-rate or additional-rate taxpayer.
  • You have not exceeded the annual allowance.

Personal contributions may be better when:

  • You want to keep your salary high for mortgage applications or other lending criteria.
  • Your company is loss-making and cannot benefit from the corporation tax deduction.
  • You are close to the annual allowance limit and need precise control over the contribution amount.

If you are unsure which approach fits your situation, speak to your accountant. Our team at Agency Founder Finance runs the numbers both ways for every client before recommending a structure.

Common Mistakes Agency Directors Make

Not documenting the salary sacrifice. HMRC can challenge an informal arrangement. Without a written agreement, they may treat the pension contribution as a personal contribution, losing the NI savings.

Sacrificing below minimum wage. This is illegal. Your salary must remain at or above the National Minimum Wage for your age group. For directors, this applies even if you are the sole employee.

Ignoring the annual allowance. A large one-off contribution without checking carry forward or tapering can trigger a tax charge that outweighs the savings.

Forgetting about the lifetime allowance. The lifetime allowance was abolished from April 2024, replaced by a new regime with a lump sum allowance and a lump sum death benefit allowance. If your pension is already substantial, check the new rules before adding more.

Not considering the impact on dividends. If you reduce your salary, you may need to increase your dividends to maintain your income. Dividends are less tax-efficient than salary sacrifice pension contributions, but they are still better than paying unnecessary tax.

Should You Use Salary Sacrifice for Your Agency Team?

For your employees, salary sacrifice is a genuine benefit. They get the same pension contribution at a lower cost to them. You get a lower employer NI bill.

The administrative burden is minimal once the scheme is set up. Your payroll software handles the calculations. Your pension provider handles the investments. You just run the numbers each month.

For agencies with a creative agency or web design agency structure, where margins can be tight, the employer NI saving can meaningfully improve profitability.

If you are a director of a recruitment agency with a variable commission structure, salary sacrifice on commission payments is particularly effective. Commission is irregular, so sacrificing it into a pension smooths your tax position and avoids higher-rate tax spikes.

The Bottom Line for Agency Directors

Salary sacrifice is not complicated. It requires a contract variation, a pension that accepts employer contributions, and payroll software that handles the deductions. The savings are significant: lower income tax, lower employee NI, lower employer NI, and a corporation tax deduction for the full amount.

For a salary sacrifice pension agency director, the typical saving is 15% employer NI plus your marginal income tax and NI rate. On a £20,000 contribution, that is roughly £6,000 in total tax saved. Every year.

If you are not already using salary sacrifice, you are leaving money on the table. Talk to your accountant. Or if you do not have one who understands agency structures, get in touch. We will run the numbers for your specific situation.

The rules are straightforward. The savings are real. And your retirement will thank you.

Frequently asked questions

Can I use salary sacrifice if my salary is already at the NI threshold of £12,570?
Not on your regular salary, because you cannot sacrifice below the National Minimum Wage. But you can use salary sacrifice on bonuses, commission, or overtime. Many agency directors pay themselves a bonus in March and sacrifice it into the pension before the tax year ends. That captures the NI and tax savings on additional income without changing your regular salary structure.
Does salary sacrifice affect my state pension entitlement?
It can, if you sacrifice below the Lower Earnings Limit (£6,396 for 2025/26). Below that level, you stop building qualifying years for the state pension. In practice, most agency directors keep their salary at £12,570, which is well above the threshold. If you are sacrificing a bonus on top of that salary, your state pension entitlement is unaffected. Check your NI record on gov.uk to be sure.
What happens to the employer NI saving, does it stay in the company?
Yes. The employer NI saving is retained by your agency. It is not paid into your pension. That money stays in the company as additional profit. You can reinvest it, hold it as cash, or distribute it as dividends later. For a profitable agency, the saving is pure bottom-line improvement.
Do I need to tell HMRC about a salary sacrifice arrangement?
Not directly. The arrangement is reported through your RTI payroll submissions. Your pension contribution appears on your FPS and on your P60. HMRC sees the reduced salary and the employer pension contribution. As long as you have a written variation to your contract and your payroll software is set up correctly, you are compliant. Keep the contract variation on file in case HMRC queries it later.

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